Amazing Creatures and Where They Are
Standard Book of Spells
Quidditch Though the Ages
Books v. Movies
Hogwarts: A History
100

Traditionally proud creatures, when in PoA Draco Malfoy insulted one it injured his arm. 

A Hippogriff

100

A red coloured spell, that is used to disarm and opponent. Harry Potter's favourite.

Expelliarmus

100

The team that won the 1994 Quidditch World Cup.

Ireland

100

The name of the only Weasley child to never appear in a HP film.

Charlie Weasley

100

The animal emblem that represents the Ravenclaw house.

An Eagle

200

This creature makes its home in the Black Lake. In GoF, they prevent Fleur Delacour from successfully completing the second task.

Grindillows

200

The green cloured killing curse. Lord Voldemort's favourite.

Avada Kedavra.

200

The position played by Fred and George Weasley.

The Beater

200

The location of Ron and Hermione's first kiss, in the film DH2.

The Chamber of Secrets

200

The founder of Hufflepuff House.

Helga Hufflepuff

300

The type of dragon Victor Krum had to go up against during the first task in GoF.

The Chinese Fireball

300

A charm one would use to fix one's glasses.

(Oculus) Repairo

300

The position played by Cho Chang and Cedric Diggory.

The Seeker

300

The book location where Harry Potter first saw Draco Malfoy.

Madam Malkin's (Robes for All Occasions)

300

The Hogwarts motto. In English or Latin.

Draco dormiens nunquam titillandus; ("Never Tickle a Sleeping Dragon")

400

A creature one can only see if they have seen someone die. Member's of the DA rode them to London in OotP.

Thestrals 

400

The Half-blood Prince's particularly nasty curse that Harry uses on Draco Malfoy in HBP, causing Malfoy to bleed profusely.

Sectumsempra

400

The names of the three balls use when playing Quidditch

Quaffle, Bludger, and Snitch.

400

The location that Voldemort had Nagini kill Severus Snape in the DH novel.

The Shrieking Shack

400

The Hufflepuff house ghost.

The Fat Friar

500

The creature Lee Jordan levitated into Delores Umbridge's Office in OotP.

Niffler

500

A leg-locking curse. NOT a full body bind.

Locomotor Mortis

500

Ron Weasley's favourite Quidditch team.

The Chudley Cannons

500

In the novel, CoS Harry, Ron, and Hermoine attend Nearly- Headless Nick's Deathday Party on this day.

October 31 (Halloween)

500

The century Hogwarts was established.

10th